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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.orchestra.conversation;
21  
22  /**
23   * Beans implementing this listener interface will get informed when
24   * they are added to a conversation or removed from a conversation.
25   * <p>
26   * Note that when a conversation ends, the valueUnbound method is
27   * invoked on each bean in the conversation.
28   */
29  public interface ConversationBindingListener
30  {
31      /**
32       * The bean has been added to the conversation.
33       */
34      public void valueBound(ConversationBindingEvent event);
35  
36      /**
37       * The bean has been removed from the conversation.
38       */
39      public void valueUnbound(ConversationBindingEvent event);
40  }